Footwear



Feb. 16 19426. l1,573,528

` M. M. soRENsEN FOOTWEAR Filed June .'50, 1923 intimal,Y Feb. 16, 192e.

UNl'rEDf'sTAr-Es PATENT r OFFICE.

, lMartins' u. sonnNsEN, or va'LLnnoD, DENMARK, Ass'IeNon or ONE-HALF 'rov ERNST FREDERIKHENBY ENNA, 0F CQPENHAGEN, DENMARK; f

l AApplication lil-ed .Tune 3D,v` 1923. Serial No, 648,669.

To aZZ whom t 4may compra.'v

' 'Be it known that I,.MAR1Us.M. SORENSEN,` a subject of the'King of Denmarl-:,residingv at Va1lerod, Denmarkv-, have invented new 5 and useful [Improvements 'in Footwear, of

which the following is a specification. The present invention relatesl to improvements inv Ifootwear and particularly to means for connecting the severa-l parts or members .l0 of a boot, shoe or similar article.

According tothe methods commonly employed in manufacturing articles of footwear,theseveral partshave been united by sewin or the use of pegs, screws or similar lf)asten1ngs inserted in the connected meiners.

These methods are not entirely 'satisfactory, as they necessarily involve forming vholes in the membersthat prevent providing waterproof joints, and,` further, when the joints are produced by sewing itis 'genervally necessar in order to protect the seams,l

to ro'vide c annels in one of the members which necessarily weakens the article. f By the present invention the objections incident to the methods of connecting mem-l bers of an article of footwear are avoided and a firm, waterproof, durable joint-is provided. l v

In the accompanying drawing Fi 1 is a plan view of a shoe sole'provided with means for connectingit to an upper in accordance withthe present invention; g

Fig. 2 is a transverse sectional view of such sole; l F ig. 3 is a cross sectional view ei a slice havin the sole and upper thereof connected accor ing to the invention 40 and upper slightly'separated and il strating a slightl different embodimenty of the invention rom that shown in- Figures 1- to 3,- inclusive;

Fig. 5 isl a view, similar to Figure 3, but

on an enlarged scale, showing the invention applied to a .different style of shoe from that illustrated in Figures 3- and 4.

Referring to the drawing, in `the several views of which like reference characters designate corresponding parts, 1 designates a shoe sole wh1ch, as shown, is provided on its upper or inner face with a marginal band Fig. '4 is a similar viewfshowing the sole or strip 2 of caoutchouc. The term caout-f chouc as employed in this specification, is

intended tovmean unvulcanized caoutchouc (crude vor crpe rubber).

As' shown in` Figure :1, the strip-or band 2 extends continuously aroundthe vsole 1 and, by the application of suitable pressure,

serves to firmly secure the sole to the upper 3. By employing a binding or securing proof vconnection between such parts which willbeas effective and durable as the fas-v tenings heretofore employed.

To insure the strongest possible connection of the parts a coating of a suitable rubber solution. may be applied to the sur-v faces of the sole or up er member with which the securing strip or and 2 contacts. This 4solution serves to soften the surface -of the connecting strip or' band 4 initially applied to the upper' 3, the lower surface of which will contact with the upperl faceof the strip or band 2 when the upper and shoe are brought together.

lAs the inherent elasticity of. the caout- I chouc is not`destroyed, the joint. constructed in accordancewith the presentinvention is more yielding or flexi e than joints produced by sewing, or the. use of' pegs' or screws besides being. completely impervious to water.

It will be understood that the invention is applicable to connecting the several parts of an upper or sole as we las securing soles to uppers and that the parts connected may beo commonly usedin the lmanufacture of footwear. y

In Figure 5 there modification in which the'shoe is provi leather, canvas or any of the materials is Aillustreren e 'su "ht with an inner sole 5 and the upper is held in place by welt strips 6. The securing strip or band 4 -in this embodiment is secured directly against the lowerface or surface ofthe` welt strips 6. l

By the term strip or band as used in the specification and claims is meant any crude rubber in sheet form as distinguished from a Huid. Obviously the strip need not be of the width shown in the drawings, but might cover a. smaller 4or greater ortion of the sole or the lasted edge of t e up er. Moreover, when it is stated in the speci cation and claims that the sole and upper are of material other than crude rubber, I intend to cover leather'or such leather substitutes as may include a certain percentage of rubber.

Having thus described the invention, what is claimed and desired to be secured by Letters Patent is 1. In an article of footwear, the combination of twoA members and an interposed strip of crude rubber in sheet form united t0 the members by pressure, without vulcanization and constituting the sole connecting means between the members, said members being of material other than crude rubber.

2. An article of footwear comprising in combination an upper, asole, and a stri of crude rubber in sheet form united to oth the upper and sole by pressure, without vulcanization, and constituting the only connection between the u per and sole, said sole and upper being ofp material other than crude rubber.

3. An article of footwear com rising in combination an upper, a sole an an interposed strip of crude rubber in sheet form arranged adjacent the margins of said sole and upper and united to both b pressure, without vulcanization, and constituting the sole connecting means between the members,

said sole and upper being o material other v signaturee MARIUS M. SORENSEN. 

